.pic-upload{
    max-width: 200px;
    width: 100%;
    height: 100%;
    position: relative;
}
.up-true{
    max-width: 200px;
    width: 100%;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1000;
}
.up-false{
    max-width: 200px;
    width: 100%;
    display: block;
    opacity: 1;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 999;
    padding: 10px;
}